Balance the following chemical equation a1+o(2)-> a1(2)o(3)

the parentheses shows the subscripts.

pls explain how.

What is the temperature of one mole of helium gas at stp?

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

Match each statement with the state of matter it describes